CN116613590A - Nuclear electromagnetic pulse resistant electric connector - Google Patents
Nuclear electromagnetic pulse resistant electric connector Download PDFInfo
- Publication number
- CN116613590A CN116613590A CN202310727926.XA CN202310727926A CN116613590A CN 116613590 A CN116613590 A CN 116613590A CN 202310727926 A CN202310727926 A CN 202310727926A CN 116613590 A CN116613590 A CN 116613590A
- Authority
- CN
- China
- Prior art keywords
- socket
- shell
- plug
- shielding
- shielding reed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 44
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 23
- 210000001503 joint Anatomy 0.000 claims description 12
- 230000003460 anti-nuclear Effects 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 abstract description 3
- 239000010935 stainless steel Substances 0.000 abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000011257 shell material Substances 0.000 description 35
- 239000000047 product Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000005493 welding type Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
- H01R13/6582—Shield structure with resilient means for engaging mating connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a nuclear electromagnetic pulse resistant electric connector, which comprises a plug and a socket, wherein a shielding reed (8) is arranged on the inner wall of a seat shell (7) of the socket, when the plug is inserted with the socket, the plug presses the shielding reed (8), and the shielding reed (8) is simultaneously contacted with a head shell of the plug and the seat shell (7) of the socket. The structure cancels spot welding operation, so that the assembly is simple and feasible, and the assembly efficiency of products is ensured; finally, the structural optimization also eliminates the need for stainless steel material for the connector housing to be weld matched, and the aluminum alloy housing achieves "load reduction" of product weight.
Description
Technical Field
The invention relates to a rectangular nuclear electromagnetic pulse resistant electric connector, and belongs to the technical field of electric connectors.
Background
With the development of electronic technology, various electronic devices are increasingly commonly applied to semiconductors and integrated circuits. The nuclear electromagnetic pulse has a great destructive effect on the electronic equipment, and the action principle is that the electromagnetic pulse generated by nuclear explosion can enter the electronic equipment through an antenna, a cable connection part, a metal pipeline and the like to generate induced current, so that the electronic equipment is seriously damaged, and in addition, the working state of a device can be changed by an additional signal introduced by the nuclear electromagnetic pulse, so that the electronic equipment is disordered in function, an error signal is sent out and the like. The nuclear electromagnetic pulse, while brief, is permanent to the functional damage of the electronics, wiring and electronic components. The viability of electronic devices without anti-nuclear electromagnetic pulse capability is severely compromised. For one system, the electrical connector is often an interface for connection between the internal environment and the external environment, and is susceptible to the introduction of nuclear electromagnetic pulse interference, which is transmitted to the internal environment, causing damage to the electronic device. Therefore, the electronic device is urgently required to have the nuclear electromagnetic pulse resisting function of the electric connector and shield nuclear electromagnetic pulses of the external environment. The current rectangular electric connector part has the nuclear electromagnetic pulse resistance function, but the adopted spot welding type shielding reed structure is easy to break, loose and other faults when not in place, and meanwhile, the shell is made of stainless steel due to the matching property of the welding process, so that the weight of the product is heavier.
Chinese patent CN101635414B discloses an anti-nuclear electromagnetic pulse electric connector, in which the shielding reed 3 is mounted on the outer circumference of the plug, and since no mounting structure is designed on the outer circumference of the plug, the mounting can be achieved by welding, and the shell material is steel, and the weight is very large.
Disclosure of Invention
The technical innovation points are as follows:
the invention aims to: the invention aims to solve a series of problems of high operation requirement, relatively low reliability, weight reduction and the like of the rectangular spot welding type shielding structure, adopts a shielding reed fixing and assembling structure design which is convenient to process and assemble, and simultaneously increases the butting and rainproof function, enhances the installation sealing performance of accessories and designs an anti-rotation structure.
The technical scheme is as follows:
the nuclear electromagnetic pulse resistant electric connector comprises a plug and a socket, wherein a shielding reed 8 is arranged on the inner wall of a socket shell 7 of the socket, the plug presses the shielding reed 8 when the plug is inserted with the socket, and the shielding reed 8 simultaneously contacts a head shell of the plug and the socket shell 7 of the socket.
The electric connector is a rectangular electric connector, the installation position of the shielding reed 8 is at the bottoms of two long sides of the inner ring of the butt joint end of the socket shell 7, the lower end of the shielding reed 8 is fixed, the upper end of the shielding reed 8 is free, the upper end of the shielding reed 8 is gradually inclined inwards in a free state, a containing groove is formed in the inner wall of the socket shell 7 of the socket, and the upper end of the shielding reed 8 is pressed into the containing groove after the plug is inserted.
The socket consists of a seat shell 7, a shielding reed 8, a jack contact 9, a seat base 10, seat structural adhesive 11 and a mounting accessory 12, wherein the lower end of the shielding reed 8 is provided with a Z-shaped structure, and the Z-shaped structure is clamped between the matching step surfaces of the seat shell 7 and the seat base 10 for fixation during assembly.
The exposed part of the shielding reed 8 sequentially comprises a vertical section, an inward inclined section, an outward inclined section and a closing-in section from bottom to top, and the outward inclined section and the closing-in section can completely enter the accommodating groove of the seat shell 7 under the extrusion of the plug.
The plug comprises a head shell 1, an interface sealing gasket 2, a head base 3, a contact pin contact piece 4, a head structural adhesive 5 and a tail cover assembly 6, wherein the interface sealing gasket 2 is arranged in a groove at the root of the outer wall surface of the head shell 1.
The tail cover assembly 6 comprises a lower tail cover 13, an upper tail cover 14, a pressing plate 15, a clamping ring 16, a wire clamp 17, a locking screw 18, a spring pad 19 and a rod sleeve, wherein one end of the rod sleeve 20 is turned and riveted in a mounting hole of the head shell 1, the other end of the rod sleeve is shrunk, the locking screw 18 can also move to a certain extent along the axial direction under the premise of not being separated from the rod sleeve 20 and locked in a butt joint way, and the spring pad 19 is hidden in the rod sleeve and is used for preventing the locking screw 18 from being locked.
The mounting attachment 12 is divided into a front mounting attachment and a rear mounting attachment, and is composed of a mounting screw 21, a conductive rubber pad 22, a seal ring 23, a gasket 24, a spring pad 25, and a hexagonal nut 26, and the conductive rubber pad 22 is compressed at the time of mounting.
The clamping ring 16 is an elastic piece, the shielding layer of the cable is turned outwards and Zhou Juantao is arranged on the clamping ring 16, and the clamping ring 16 is extruded along with the installation of the pressing plate 15, so that the cable shielding layer is pressed.
The flange mounting hole of the seat shell 7 is designed into a square anti-rotation structure, and the mounting screw 21 is designed into a square anti-rotation flat structure.
The seat shell 7 and the head shell 1 are made of aluminum alloy materials, the shielding reed 8 has two pieces, and the width is smaller than the length of the long side of the head shell 1.
The beneficial effects of adopting above-mentioned technical scheme are:
(1) the shielding reed adopts a cantilever Liang Bingyong Z-shaped fixed structure, and the shielding reed is grooved and protected on the connector shell, so that the reed is ensured to only elastically deform under the condition of butt joint compression, and the use reliability of the reed is improved; meanwhile, the structure cancels spot welding operation, so that the assembly is simple and feasible, and the assembly efficiency of products is ensured; finally, the structural optimization also eliminates the need for stainless steel material for the connector housing to be weld matched, and the aluminum alloy housing achieves "load reduction" of product weight.
(2) The sealing gasket limited at the butt joint end of the socket shell is designed, the glue filling cavity structure is optimized to meet the requirement of pouring sealing glue, the final product achieves the splash-proof test of waterproof grade 2 in GJB4.13, and the rainproof function is realized.
(3) The seat shell 7 and the mounting screw 21 are designed with anti-rotation structures, and the anti-loosening of the following rotation of the accessory locking/unlocking process is realized on the premise of convenient installation.
(4) The mounting accessory 12 is structurally optimized, and a double sealing structure is adopted, so that the reliability of sealing mounting of the connector is ensured.
Drawings
Fig. 1 is a schematic view of a mounting structure of a shielding reed in embodiment 1 of the present invention.
Fig. 2 is a schematic view of a waterproof seal structure.
Fig. 3 is a schematic view of a structural improvement of the mounting accessory.
Fig. 4 is a schematic diagram of the structure of the anti-nuclear electromagnetic pulse electric connector plug of embodiment 2.
Fig. 5 is a schematic view of the plug interior from the side of fig. 4 with the accessory removed.
Fig. 6 is a schematic diagram of the structure of the anti-nuclear electromagnetic pulse electric connector socket of embodiment 2.
Fig. 7 is a schematic view of the interior of the receptacle from the side of fig. 6 with the accessory removed.
Fig. 8 is a schematic view of the structure of the tail cap assembly in the plug of the anti-nuclear electromagnetic pulse electric connector of embodiment 2.
Fig. 9 is a cross-sectional side view of the structure of fig. 8.
Fig. 10 is a schematic view of the structure of the front-panel mounting accessory.
Fig. 11 is a schematic view of the structure of the post-board mount accessory.
Fig. 12 is a schematic view of the anti-rotation structure of the socket housing 7 and the mounting screw 21 of the anti-nuclear electromagnetic pulse electric connector according to the present invention.
Fig. 13 is a side view of fig. 12.
Fig. 14 is a top view of fig. 12 with the accessory removed.
Detailed Description
The anti-nuclear electromagnetic pulse electrical connector of the present invention is further described in detail below with reference to the examples of the drawings:
example 1:
(1) as shown in FIG. 1, the shielding reed adopts an approximate cantilever structure, the lower end is assembled between the base and the shell, the upper end is not fixed, and the shielding reed is clamped in a gap at the butt joint end of the shell. After the plug and the socket are plugged, the plug shell compresses the reed, the reed elastically deforms under the action of the stress F, so that the electrical contact between the plug shell and the socket shell is realized, the electrical continuity between the head seat shells is increased, and the shielding effect is provided.
(2) The interface sealing gasket is added at the root of the butt joint end of the plug shell, and when the connector is inserted, the sealing rainproof function is realized through the compression sealing gasket of the butt joint end of the socket shell, so that the waterproof grade 2 splash-proof test in GJB4.13 can be achieved.
(3) The anti-rotation flat is designed on the socket shell and the locking screw, so that the screw can be conveniently installed, and the following rotation of the installation screw can be avoided. Meanwhile, the sealing structure of the installation interface is optimized, a double sealing structure is designed, and the reliability of sealing performance is ensured. The comparison before and after optimization is as follows:
example 2:
the nuclear electromagnetic pulse resistant electric connector comprises an electric connector plug and a socket, and the plug is composed of a head shell 1, an interface sealing gasket 2, a base 3, a pin contact 4, structural adhesive 5 and a tail cover assembly 6 as shown in figure 1. The interface sealing gasket 2 is limited in a groove at the root of the butt joint end of the head shell 1, when the plug and the socket are in butt joint, the seat shell 7 compresses the interface sealing gasket 2 to realize the sealing and rainproof function, and the waterproof grade 2 splash-proof test in GJB4.13 can be achieved;
as shown in fig. 2, the socket is composed of a socket housing 7, a shielding reed 8, a jack contact 9, a base 10, a structural adhesive 11 and an installation accessory 12, wherein the shielding reed 8 adopts an approximate cantilever structure, the upper end is not fixed, the socket housing 7 is clamped in a gap at the butt end, the lower end is assembled and fixed in the base 10 through a Z-shaped matching surface, when a plug is inserted into the socket, the head housing 1 compresses the shielding reed 8, the shielding reed 8 is elastically deformed, and the electric contact between the head housing 1 and the socket housing 7 is realized.
As shown in fig. 3, the tail cover assembly 6 is composed of a tail cover 13, a tail cover 14, a pressing plate 15, a clamping ring 16, a wire clamp 17, a locking screw 18, a spring pad 19 and a rod sleeve 20. The clamping ring 16 is an elastic piece, the cable shielding layer is turned outwards and Zhou Juantao is arranged on the clamping ring 16, and the clamping ring 16 is extruded along with the installation of the pressing plate 15, so that the cable shielding layer is pressed; one end of the rod sleeve 20 is turned and riveted in the mounting hole of the head shell 1, the other end of the rod sleeve is contracted, and on the premise that the locking screw 18 is not separated from the rod sleeve 20, the rod sleeve can also move to a certain extent along the axial direction when not locked in a butt joint way, and the elastic pad 19 is hidden in the rod sleeve 20, so that the locking of the locking screw 18 is ensured.
As shown in fig. 4, the mounting attachment 12 is divided into a front mounting attachment and a rear mounting attachment, and is composed of a mounting screw 21, a conductive rubber pad 22, a seal ring 23, a washer 24, a spring pad 25, and a hexagonal nut 26. The conductive rubber pad 22 is compressed during installation, the electrical continuity of the installation panel and the seat shell is ensured, the sealing between the installation panel and the seat shell is also ensured, the sealing ring 23 is compressed under the installation extrusion of the gasket 24, the sealing between the installation screw 21 and the installation hole gap is ensured, and the conductive rubber pad and the installation screw form double-layer sealing protection, so that the sealing is more reliable.
As shown in fig. 5, the flange mounting hole of the seat shell 7 is designed into a square anti-rotation structure, and the mounting screw 21 is designed with a square anti-rotation flat structure, so that the problems of rotation following, poor screwing and the like during mounting and use are effectively solved.
The structural adhesives 5 and 11 are all epoxy adhesives with sealing functions, so that the sealing performance of the product is guaranteed.
Claims (10)
1. An anti nuclear electromagnetic pulse electric connector, includes plug and socket, its characterized in that: a shielding reed (8) is arranged on the inner wall of a seat shell (7) of the socket, when the plug is inserted into the socket, the plug presses the shielding reed (8), and the shielding reed (8) is simultaneously contacted with a head shell of the plug and the seat shell (7) of the socket.
2. The nuclear magnetic pulse resistant electrical connector of claim 1, wherein: the electric connector is a rectangular electric connector, the installation position of the shielding reed (8) is at the bottoms of two long sides of the inner ring of the butt joint end of the socket shell (7), the lower end of the shielding reed (8) is fixed, the upper end of the shielding reed (8) is free, the upper end of the shielding reed (8) is gradually inclined inwards in a free state, a containing groove is formed in the inner wall of the socket shell (7) of the socket, and the upper end of the shielding reed (8) is pressed into the containing groove after the plug is inserted.
3. The nuclear electromagnetic pulse resistant electrical connector of claim 2, wherein: the socket comprises a seat shell (7), a shielding reed (8), a jack contact (9), a seat base (10), seat structural adhesive (11) and an installation accessory (12), wherein the lower end of the shielding reed (8) is provided with a Z-shaped structure, and the Z-shaped structure is clamped between the seat shell (7) and the matching step surface of the seat base (10) for fixation during assembly.
4. The nuclear magnetic pulse resistant electrical connector of claim 3, wherein: the exposed part of the shielding reed (8) comprises a vertical section, an inward inclined section, an outward inclined section and a closing-in section from bottom to top in sequence, and the outward inclined section and the closing-in section can completely enter the accommodating groove of the seat shell (7) under the extrusion of the plug.
5. The nuclear electromagnetic pulse resistant electrical connector as recited in any one of claims 1-4, wherein: the plug comprises a head shell (1), an interface sealing gasket (2), a head base (3), a contact pin contact piece (4), a head structural adhesive (5) and a tail cover assembly (6), wherein the interface sealing gasket (2) is arranged in a groove at the root of the outer wall surface of the head shell (1).
6. The nuclear magnetic pulse resistant electrical connector of claim 5, wherein: the tail cover assembly (6) comprises a lower tail cover (13), an upper tail cover (14), a pressing plate (15), a clamping ring (16), a wire clamp (17), a locking screw (18), a spring pad (19) and a rod sleeve, one end of the rod sleeve (20) is turned and riveted in a mounting hole of the head shell (1), the other end of the rod sleeve is shrunk, the locking screw (18) can be enabled to move axially to a certain extent when not locked in a butt joint mode on the premise that the rod sleeve (20) is not separated, and the spring pad (19) is hidden in the rod sleeve and is used for guaranteeing locking of the locking screw (18).
7. The nuclear magnetic pulse resistant electrical connector of claim 6, wherein: the installation accessory (12) is divided into a front installation accessory and a rear installation accessory, and consists of an installation screw (21), a conductive rubber pad (22), a sealing ring (23), a gasket (24), a spring pad (25) and a hexagonal nut (26), wherein the conductive rubber pad (22) is compressed during installation.
8. The nuclear magnetic pulse resistant electrical connector of claim 6, wherein: the clamping ring (16) is an elastic piece, the shielding layer of the cable is turned outwards and then Zhou Juantao is arranged on the clamping ring (16), and the clamping ring (16) is extruded along with the installation of the pressing plate (15), so that the compression of the shielding layer of the cable is ensured.
9. The nuclear magnetic pulse resistant electrical connector of claim 5, wherein: the flange mounting hole of the seat shell (7) is designed into a square anti-rotation structure, and the mounting screw (21) is designed with a square anti-rotation flat structure.
10. The nuclear magnetic pulse resistant electrical connector of claim 5, wherein: the seat shell (7) and the head shell (1) are made of aluminum alloy materials, the shielding reed (8) is provided with two pieces, and the width of the shielding reed is smaller than the length of the long side of the head shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310727926.XA CN116613590A (en) | 2023-06-19 | 2023-06-19 | Nuclear electromagnetic pulse resistant electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310727926.XA CN116613590A (en) | 2023-06-19 | 2023-06-19 | Nuclear electromagnetic pulse resistant electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116613590A true CN116613590A (en) | 2023-08-18 |
Family
ID=87680128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310727926.XA Pending CN116613590A (en) | 2023-06-19 | 2023-06-19 | Nuclear electromagnetic pulse resistant electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116613590A (en) |
-
2023
- 2023-06-19 CN CN202310727926.XA patent/CN116613590A/en active Pending
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